What can be asserted without proof can be dismissed without proof.

Christopher Hitchens (1949 - 2011) was an Anglo-American author and journalist. His books made him a prominent public intellectual and a staple of talk shows and lecture circuits. He was a columnist and literary critic at Vanity Fair, Slate, The Atlantic, World Affairs, The Nation, Free Inquiry and a variety of other media outlets. He was named one of the world's "Top 100 Public Intellectuals" by Foreign Policy and Britain's Prospect.

If you haven’t read it, you will almost certainly have seen it: the critique of Professor Richard Dawkins that arraigns him for being too “strident” in his confrontations with his critics. According to this line of attack, Dawkins has no business stepping outside the academy to become a “public intellectual” and even...